Marengo Cave Area Minerals
Rockhounding site in Marengo, Indiana · Other
Marengo Cave Area Minerals is a calcite rockhounding site near Marengo, IN. Fee varies. Best season: Year-round cave tours.
Typical season: Year-round cave tours
Key facts
Structured details for trip planning — verify access and fees with the land manager before you visit.
- Specimen type
- Calcite
- Primary specimens
- Calcite, Aragonite, Cave Formations
- Fee status
- Fee varies
- Nearest town
- Marengo
- State
- Indiana
- Coordinates
- 38.37000, -86.34000
- Best season
- Year-round cave tours
- Access difficulty
- Easy guided tours
- Camping
- O'Bannon Woods State Park
- Activities
- Cave geology tours
- Facilities
- Cave visitor center
- Last updated
- July 5, 2026
What to pack for Marengo Cave Area Minerals
Gear we compare for other trips like this one — tools, safety, and the hike in.
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The experience
- Best time to visitYear-round cave tours
- AccessEasy guided tours
- FacilitiesCave visitor center
- Camping nearbyO'Bannon Woods State Park
Things you need to take to Marengo Cave Area Minerals
DEWALT DPG82 Concealer Safety Glasses
Buy two pairs — one lives in your pack permanently.
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SE Specimen Storage Bags 10-Pack
The basic system every collector should have in their pack.
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Osprey Talon 22 Backpack
The pack to save for if you collect more than a few times a year.
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NoCry Professional Construction Knee Pads
Buy once — your knees will notice by lunch.
Check price on AmazonDisclosure: Gear links may earn a commission as an Amazon Associate — at no extra cost to you. Learn more.
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Report an access change
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Map & location
Sources & updates
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